Whole-system duct and dryer vent check with before-and-after photos - you see exactly what came out of your vents
That "$99 whole-house special" is a bait ad - the real number appears once they are in your hallway, or the "clean" is a shop-vac at the register. We photograph the inside of your ducts before and after instead.
Trane Air Duct Cleaning in Baltimore, CA | Hollis Air Duct Cleaning
Hollis Air Duct Cleaning provides independent Trane air duct cleaning across Baltimore, MD, and we know exactly how Trane’s airflow design interacts with the city’s historic rowhouse ductwork. Most companies clean ducts; we clean the whole path your Trane moves air through, including the gaps that pull coal dust and basement air into the system. If you own a Trane unit in Baltimore, call (361) 326-5060 and we’ll give you a written price before anything gets touched.
Why Baltimore Residents Choose Us for Trane Service
Our technicians have worked on Trane systems for years, from older XB models to modern XV variable-speed units. That matters in Baltimore, where Baltimore Air Duct Cleaning from our team handles the unique problems a century-old rowhouse and sealed-cabinet Trane system create-issues a generic duct cleaner won’t recognize. Roy Castellanos, our owner, came up through the sheet metal and air conditioning program at Los Angeles Trade-Technical College and spent years doing hands-on duct work before we opened our doors in 2004. He built this company around one habit: opening up a system, finding what’s actually wrong, and fixing it without inventing extras you don’t need. Clean ducts, straight answers – that’s the whole job.
We’re an independent service provider, not affiliated with Trane. That independence means we recommend what your system actually needs, not what a manufacturer program tells us to sell. Every Baltimore job gets a written price before work begins, a background-checked technician in uniform, and the 365-Day Done Right Promise in writing: if the work fails within a year, we come back and make it right at no charge.
Common Trane Air Duct Cleaning Problems We Solve in Baltimore
- Coal dust in return ducts. Baltimore neighborhoods like Hampden and Federal Hill still have original floor registers connected to old coal chutes. Every time a Trane blower cycles, it pulls fine black dust from the basement into the system. We seal those register gaps with mastic and clean the return path so your Trane stops redistributing a century of coal dust.
- Dust-caked blower wheels on PSC motors. Trane air handlers with PSC motors accumulate debris on the blower wheel faster in Baltimore because return ducts in shared walls pull in dust from adjacent units. A caked wheel throws the blower out of balance, reduces airflow, and makes the motor work harder than it should.
- Mold and biofilm on evaporator coils. Baltimore’s humid summers cause condensation on Trane coils, and when the condensate drain clogs, that moisture sits and grows mold. XV systems with sealed cabinets are especially prone because the cabinet holds humidity in. We clean the coil and clear the drain line so your Trane stops blowing musty air.
- Leaky seams at furnace connections. Older Trane XB units with sheet metal cabinets often have gaps where the cabinet meets the ductwork. In Baltimore rowhouses, those seams pull crawlspace air and pests into the system. We seal them so the air moving through your home comes from the rooms, not the crawlspace.
- High static pressure on variable-speed systems. Trane XV variable-speed units are sensitive to static pressure, and Baltimore’s narrow duct runs in old rowhouses are frequently undersized. Leaky or undersized ducts force the system to run at high speeds constantly. We clean and seal the ductwork to bring static pressure down and let the Trane do what it was designed to do.
Trane Service in Baltimore: What Local Conditions Mean for Your Equipment
Here’s something specific to Baltimore that most cities never deal with. In Hampden and Federal Hill, original Trane systems from the 1990s and early 2000s are often still paired with ductwork that has open floor registers connected to old coal chutes. Those chutes run down to basements where a hundred years of coal dust still coats the walls and floor. Every time the blower runs, it creates negative pressure that pulls that dust up through the register gaps and into the return air stream. We’ve seen Trane return ducts in these neighborhoods caked black with coal dust while the supply registers looked clean. That’s the tell. Our duct cleaning for Trane systems in Baltimore includes sealing those legacy gaps at the registers and cleaning the evaporator coil, because if you only clean the ducts and leave the gap, the system just pulls the dust right back in.
We recently serviced a Trane XV18 system in a Hampden rowhouse where the homeowner complained of a gritty film on furniture. Our video inspection showed coal dust coating the return duct and a blower wheel caked with debris. We sealed gaps at the floor registers with mastic, cleaned the evaporator coil, and replaced the flex duct in the crawlspace. After the job, the Trane unit ran quieter, and the homeowner noticed less dust within a week.
This city’s humid subtropical climate adds another layer. Hot, muggy summers make ducts sweat, and when condensate drains clog, mold moves in. Winter heating cycles push accumulated dust through the system. For Trane owners in Baltimore, duct cleaning is not a maintenance checkbox. It’s the difference between a system that filters and moves clean air, and one that actively recirculates whatever’s in your walls and basement.
Trane Models & Products We Service in Baltimore
We work on every major Trane residential line in Baltimore, from the older XB series to the current XR and XV variable-speed systems. That includes the Trane XR14, XR15, and XR16; the XV18 and XV20i variable-speed units; the XB13 and XB14; and the S-Series S8X1 and S9V2 furnaces. For parts, we use OEM Trane components when they’re available and cost-effective. For common items like blower motors, capacitors, and filter racks, we source high-quality aftermarket equivalents that meet or exceed factory specs. Our trucks carry the parts most Baltimore Trane systems need, which means less waiting around for a shipment when your blower is down. We also provide Trane sales & service guidance on duct sealing, evaporator coil cleaning, and air handler cleaning specific to your model.
Trane Service Pricing in Baltimore
Duct cleaning for a Trane system in Baltimore typically runs $450 to $900 depending on the size of the home, the number of returns, and how much sealing the registers need. Air handler and evaporator coil cleaning adds $150 to $350, and duct sealing work ranges from $300 to $800 depending on access and the number of gaps we find. These are whole-system prices, not per-vent charges. You’ll know the number before we start, and that number does not move when the technician is inside your home. A free estimate includes an inspection of the return path, registers, and a look at the blower and coil. Call (361) 326-5060 and we’ll give you a written quote for your specific Baltimore rowhouse.
Serving Baltimore, OH - Our Local Coverage Area
We’re based in the Baltimore area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs – Trane Air Duct Cleaning in Baltimore
Yes, and it’s more common in Baltimore than most places because of undersized duct runs in older rowhouses. A Trane XV18 is a variable-speed system that adjusts airflow based on static pressure. When ducts are dirty, leaky, or undersized, static pressure climbs and the unit compensates by running at higher speeds for longer. We measure static pressure on every XV system we service in Baltimore. If the ducts are the problem, cleaning and sealing usually brings the system back to normal run cycles. Call (361) 326-5060 and we’ll check the numbers before recommending any work.
No. A sealed combustion cabinet protects the burner from pulling air from inside the home, but it does nothing for the return duct path. In Baltimore rowhouses, the return registers are often in the floor, connected to old coal chutes that still hold dust in the basement, and those chutes feed directly into the blower. We’ve opened sealed-cabinet Trane systems in Hampden and found the coil and blower wheel coated in black coal dust. The seal protects combustion, not the air distribution side. That’s why our Baltimore duct cleaning includes register gap sealing as part of the job.
Yes, if the unit is still running safely. The XB series has sheet metal cabinets with seams that commonly leak at the furnace connection, and those leaks pull crawlspace air and pests into the duct system. In Federal Hill, where homes are tightly packed and crawlspaces are shallow and damp, that’s a real problem. We’ll give you an honest assessment: if the repair cost exceeds 50% of a new system, we’ll tell you replacement makes more sense. But many Trane XB units in Baltimore keep running safely for years with targeted repairs and proper duct sealing. Call (361) 326-5060 for a free estimate and we’ll tell you what your system actually needs.
Keep the condensate drain clear and keep the coil clean. Baltimore’s humid summers produce a lot of condensation on Trane evaporator coils, and when the drain clogs, water backs up into the drain pan and sits there. That’s when mold and biofilm grow. The best prevention is annual coil cleaning and drain line clearing, especially in sealed-cabinet XV systems that hold humidity in. We include coil inspection with every Dryer Vent Cleaning in Baltimore and duct cleaning job we do, and we’ll tell you if the drain pan needs attention before mold takes hold.
Yes. Duct cleaning does not void a Trane warranty as long as the work does not alter or damage the system itself. We use negative-air machines and rotary brush systems from Rotobrush and Nikro, the same professional-grade equipment commercial crews use, and our technicians are trained to work around the S9V2’s components without disturbing them. We document every job with before-and-after photos, so if a warranty question ever comes up, you have evidence the work was done right. Call (361) 326-5060 and we’ll walk you through what the warranty covers and what it doesn’t before we touch anything.
Service Areas Near Baltimore
We serve Baltimore and the surrounding areas, including Baltimore service area communities across the region. If you’re in a neighboring city and have a Trane system, we can help there too. For reference on how we handle Trane work in other markets, see Trane service in San Antonio and Trane service in Arlington. Our Baltimore scheduling team can confirm your address and get you on the calendar for a free estimate.
Book Your Trane Service in Baltimore Today
Your Trane moves air through a hundred-year-old house. It deserves a cleaning that accounts for what’s actually in those walls and under those floors. Call (361) 326-5060 today and we’ll give you a written price for your Baltimore rowhouse before any work begins.
Written by Roy Castellanos, Owner at Hollis Air Duct Cleaning, serving Baltimore since 2004.




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